฿8,205 Cheap Thai Airways International flights from Singapore to Chiang Rai (SIN→CEI)

View ฿8,205 flight on Mon, 21 Jul 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Thai Airways International flights from Singapore to Chiang Rai (SIN→CEI)

Prices were available within the past 7 days and start at ฿8,205 for one-way flights and ฿14,215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Mon, 16 Jun - Sat, 21 Jun
SIN
Singapore
CEI
Chiang Rai
฿14,215 Return, found 20 hours ago
฿14,215
Return
found 20 hours ago
Select Thai Airways International flight, departing Mon, 16 Jun from Singapore to Chiang Rai, returning Sat, 21 Jun, priced at ฿14,215 found 20 hours ago
Thai Airways International
Thu, 20 Nov - Sun, 23 Nov
SIN
Singapore
CEI
Chiang Rai
฿14,225 Return, found 6 hours ago
฿14,225
Return
found 6 hours ago
Select Thai Airways International flight, departing Thu, 20 Nov from Singapore to Chiang Rai, returning Sun, 23 Nov, priced at ฿14,225 found 6 hours ago
Thai Airways International
Sun, 3 Aug - Sun, 3 Aug
SIN
Singapore
CEI
Chiang Rai
฿14,255 Return, found 6 days ago
฿14,255
Return
found 6 days ago
Select Thai Airways International flight, departing Sun, 3 Aug from Singapore to Chiang Rai, returning Sun, 3 Aug, priced at ฿14,255 found 6 days ago
Thai Airways International
Mon, 16 Jun - Sat, 21 Jun
SIN
Singapore
CEI
Chiang Rai
฿14,345 Return, found 20 hours ago
฿14,345
Return
found 20 hours ago
Select Thai Airways International flight, departing Mon, 16 Jun from Singapore to Chiang Rai, returning Sat, 21 Jun, priced at ฿14,345 found 20 hours ago
Thai Airways International
Thu, 20 Nov - Sun, 23 Nov
SIN
Singapore
CEI
Chiang Rai
฿14,355 Return, found 6 hours ago
฿14,355
Return
found 6 hours ago
Select Thai Airways International flight, departing Thu, 20 Nov from Singapore to Chiang Rai, returning Sun, 23 Nov, priced at ฿14,355 found 6 hours ago
Thai Airways International
Sun, 3 Aug - Sun, 3 Aug
SIN
Singapore
CEI
Chiang Rai
฿14,385 Return, found 6 days ago
฿14,385
Return
found 6 days ago
Select Thai Airways International flight, departing Sun, 3 Aug from Singapore to Chiang Rai, returning Sun, 3 Aug, priced at ฿14,385 found 6 days ago
*Available to Expedia members.